| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] keep a close eye | 10 |
|
| 2 | [modal v] keep a close eye | 10 |
|
| 3 | [verb] keep a close eye | 9 |
|
| 4 | [be] keep a close eye | 8 |
|
| 5 | be keep a close eye | 8 |
|
| 6 | [noun] keep a close eye | 6 |
|
| 7 | [conj] keep a close eye | 5 |
|
| 8 | keep a close eye on | 48 |
|
| 9 | keep a close eye [prep] | 48 |
|
| 10 | keep a close eye on | 48 |
|
| 11 | keep a close eye [prep] | 48 |
|
